- OTOE
- Nebraska native
- Oklahoma tribesman
- Amerind
- Siouan Indian
- Siouan-speaker
- Plains Indian
- Crossword Indian
- Native Nebraskan
- Plains native
- ____-Missouria Tribe
- Siouan tribesman
- Western Indian
- Siouan tribe
- Nebraska county
- Fur trading natives
- Midwest Indian
- Missouri Indian relative
- Nebraska county with an Indian name
- Oklahoma native
- Oklahoma tribe
- Plains folk
- Plains tribe
- Speaker of Siouan
- Winnebago nation tribe
- Winnebago offshoot
- Nebraska Indian
- Oklahoma Indians
- Nebraska City's county
- County in Nebraska
- Tribe from Nebraska
- Tribe paired with the Missouria
- Onetime tribe of the Winnebago nation
- Sioux tribe
- Pawnee neighbor
- ___-Missouria (Indian tribe)
- Great Plains tribe encountered by Lewis and Clark
- First Native Americans encountered by Lewis and Clark
- Oklahoma Indian
- Sioux speaker of Oklahoma
- Member of the Winnebago nation
- Sooner State native
- Oklahoma tribesperson
- Sooner State tribesman
- Oklahoma tribe member
- Native Oklahoman
- Nebraska tribesman
- Oklahoma tribal member
- Winnebago relative
- Early Nebraskan
- Chief Whitehorse, e.g.
- Missouri River tribe
- Missouri River native
- Sooner State tribe member
- Nebraska tribe
- Plains dweller
- Tribe that's kin to the Iowa
- A member of the Siouan people
- Native American of the Midwest
- Tribe headquartered in Red Rock, Oklahoma
- First tribe met by Lewis and Clark
- Nebraska county named for a tribe
- Tribe met by Lewis and Clark in 1804
- Siouan-speaking tribal member
- Tribe whose tongue is Chiwere
- Native American
- Western Native American
- Early Oklahoman
- Amerindian
- Midwest tribe
- Siouan
- Siouan- speaking tribe
- Sooner State Indian
- Western tribe
- Siouan-speaking native
- Western native
- Early Missouri River basin dweller
- Early Midwesterner
- Midwest native
- Pawnee ally
- Tribe related to the Iowa and Missouri
- Chiwere speaker
- Tribe related to the Iowa
- Sooner State tribe
- Tribe related to the Missouri
- Great Plains tribe
- Platte River tribe
- Tribe affiliated with the Missouria
- Tribe met by Lewis and Clark
- Midwestern tribe
- Platte River people
- Chiwere-speaking native
- Siouan people
- Central Plains tribe
- Great Plains natives
- Member of the Siouan family
- Della Warrior's heritage
- Great Plains people
- Chiwere speakers
- Oklahoma Natives
- Sioux Indian
- Chief Whitehorse, for one
- Sioux speaker
- First tribe encountered by Lewis and Clark
- Kin of the Iowa and Missouri
- Nebraska county north of Pawnee
- Natives met by Lewis & Clark
- Tribe of Sioux.
- Missouri ally, once
- Siouan-speaking tribesman
- Nebraska county on the Missouri
- Nebraska county that borders Iowa and Missouri
- Oklahoma Indian (and a three-word description of this puzzle's theme)
- Redskin.
- Indian.
- Indian living in Oklahoma.
- Nebraska City is in the county.
- Nebraskan Sioux.
- Oklahoma Sioux.
- Sioux.
- Nebraskan Siouan.
- Oklahoma redskin.
- Winnebago Indian.
- County of Nebraska City.
- Nebraska county seat.
- Nebraskan Indian.
- American Indian.
- Indian of Oklahoma.
- Red man of Oklahoma.
- A Siouan.
- Nebraska county named for Indians.
- Nebraskan county.
- Dakota Indian.
- Osage's cousin.
- N. A. Indian
- Okla. Indian
- Indian of West
- U. S. Indian
- Neb. aborigine
- Pawnee's friend
- Indian or Western county
- Kiowa's cousin
- Today he's a Sooner
- Tribe that once joined with the Missouri
- Pawnee's ally
- County in Neb.
- Indian of Okla.
- Winnebago separatists
- Amerind of Oklahoma
- An Amerind
- Neb. county
- Platte people
- Indian of Nebraska
- Missouri's cousin
- Midwest tribesman
- Midwestern tribesman
- Okla. tribe
- Siouan of Okla.
- Neb. Indian
- North American Indian
- Member of a Siouan tribe
- Okla. tribesmen
- A Plains tribe
- Tribe in the Winnebago nation
- Chief Big Kansas, for one
- Indian tribe
- Part of the Winnebago nation
- Missouri Valley tribesman
- Indian related to the Missouri
- Ally of the Missouri
- Missouri's ally, once
- Language from which "Nebraska" comes
- Platte River Indian
- Some Sooners
- Nebraska county whose seat is Nebraska City
- Relative of a Winnebago
- Ally of the Missouri, once
- Iowa kin
- Nebraska City is its county seat
- Oklahoma people
- Tribe related to the Missouria
- 15-Down tribe
- Cornhusker State tribe
- Cousin of a Winnebago
- Little Thief, for one
- Offshoot of the Winnebago tribe
- Tribe speaking Chiwere
- Native American tribe now living in Oklahoma
- First Indian tribe met by Lewis and Clark
- Old buffalo hunter
- Plains Indians
- Old buffalo hunters of the Great Plains
- Tribe allied with the Missouri, once
- Missouri relatives
- Plains people
- Tribe encountered by Lewis and Clark
- Historical buffalo hunter
- Platte Valley native
- Chiwere-speaking tribe
- Nebraska county or who once lived there
- Platte tribesman
- Red Rock dweller
- Some Great Plains residents
- Indian tribe that lent its name to a county in Nebraska
- Early tribe met by Lewis and Clark
- Tribe at Council Bluff
- Nebraska county named for an indigenous people
- Nebraska native tribe
- Neighbors of the Omaha
- Native speakers of Chiwere
- Omaha relative
- Onetime buffalo-hunting tribe
- Tribe that lent its name to a Nebraska county
- First Native American tribe to meet with Lewis and Clark
- Platte Valley people
- Southern Sioux
- Nebraska Sioux
- Chief Little Thief, e.g.
- Indigenous people of the Central Plains
- Great Plaines tribe
- Plains Amerind
- Many Chiwere speakers
- Traditional speakers of the endangered Chiwere language
- ___-Missouria tribe
- Nation with historical ties to the Missouria
- People with ties to the Ho-Chunk
- Chiwere-speaking people
- Indigenous Midwestern tribe
- The ___-Missouria Tribe
- Platte River Indians
- Iowa native
- Oklahoma tribesman (Var.)
- Siouan is his tongue
- A member of a branch of the Siouan people
- Certain Native American
- Central Plains people
- Midwestern Native
- Plains people called Jiwere in their language
- Great Plains Native
- Midwestern tribe also known as Jiwere
- Oglala's kin
- Sioux tribesman
- Speaker of a Siouan language
- Certain Siouan speaker
- Sioux branch
- Sioux speakers
- Nebraska tribe (Var.)
- Platte River Sioux
- Platte Valley figure (Var.)
- Cousin of a Missouri
- Sioux offshoot
- Chiwere speaker, maybe
- Nemaha River people
- Oklahoman
- Some Siouan speakers
- Sooner tribe
- Iowa cousin
- Chono Ca Pe's people
- Indigenous group in Red Rock, Okla.
- Indigenous group of the Midwest
- The first O in the URL _omtribe.org_
- Cousins of the Winnebago
- Group that split from the Winnebago
- Kin of the Winnebago
- Winnebago kin
- Winnebago tribe
- Nebraska county named for a local tribe